CN202427825U - Bending and punching work procedure mould structure of upper bracket of automobile steering column - Google Patents
Bending and punching work procedure mould structure of upper bracket of automobile steering column Download PDFInfo
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- CN202427825U CN202427825U CN2011205499450U CN201120549945U CN202427825U CN 202427825 U CN202427825 U CN 202427825U CN 2011205499450 U CN2011205499450 U CN 2011205499450U CN 201120549945 U CN201120549945 U CN 201120549945U CN 202427825 U CN202427825 U CN 202427825U
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- upper bracket
- die
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Abstract
The utility model provides a bending and punching mould structure of an upper bracket of an automobile steering column, comprising an upper mould part and a lower mould part. The bending and punching mould structure is characterized in that: a bending plunger chip is fixedly arranged on a stripping plate; a punching convex mould is fixedly arranged on an upper mould fixing plate; and a bending concave mould is fixedly arranged inside a lower template. According to the bending and punching work procedure mould structure of the upper bracket of the automobile steering column disclosed by the utility model, a product in a bending and punching process of the upper bracket of the automobile steering column basically does not have a cracking phenomenon, the rejection ratio of the product is reduced and the cost of production is saved.
Description
Technical field
The utility model belongs to metal material processing forming technique field, specifically just relates to steering column for vehicles upper bracket bending punching process mould structure.
Background technology
Adopt Sheet Metal Forming Technology through regular meeting in the process of metal working, utilizing the various products of diel punch forming is a kind of common methods of metal material moulding, and Sheet Metal Forming Technology is used very extensively, and nearly all there is the punch process product in each department in national economy.For example automobile, aircraft, tractor all occupy sizable scale in motor, electrical equipment, instrument, railway, post and telecommunications, chemical industry and the light industry daily product, especially in automobile industry; Along with the rapid economy development automobile progressively enters in the common people family, auto output enlarges day by day, in order to satisfy the modern production scale of automobile industry; And many products are arranged in the auto parts and components is the self characters that utilize various metal materials to make, and diel is widely used in automobile manufacture industry, and a kind of goods of steering column for vehicles upper bracket are arranged in the automobile metal parts; Its shape and structure more complicated, when drawing steering column for vehicles upper bracket product, traditional Sheet Metal Forming Technology and diel be more complicated all; When drawing steering column for vehicles upper bracket, often adopt the direct stretch forming of drawing process, but because the product surface out-of-shape; Stretching depth is extremely inhomogeneous, and causing stretching to obtain product two flank places has reversal deformation, and the fluctuating degree of depth is profound; For the press-processing method of this product, the manufacturer that has is utilized in the fairing curved design than depths employing smooth transition at product two flank reversal deformations, and at first stretches at present; Behind stretching process, cut edge; Adopt trimming that this position is processed into after completion is cut edge and meet the requirement of product size form accuracy, but the drawing crack phenomenon appears in this kind manufacturing process easily in the bottom; A large amount of phenomenons of scrapping occurs, increased the production cost of enterprise.
The utility model content
The purpose of the utility model provides steering column for vehicles upper bracket Sheet Metal Forming Technology and bending punching process mould structure thereof; It can realize that the drawing crack phenomenon does not take place product basically in the steering column for vehicles upper bracket stamping process; Reduce the percent defective of product, practiced thrift production cost.
Technical scheme
In order to realize above-mentioned technical purpose; The utility model provides a kind of steering column for vehicles upper bracket Sheet Metal Forming Technology; It may further comprise the steps: at first calculate in feed supplement around product through mechanical strength, making product form a bottom is the open-topped stretching barrel-like structure of rough and uneven in surface shape.
Then carry out the shape of product size and produce and open, obtain the required blank size of product shaping according to the stretching barrel-like structure of gained in the first step.
The 3rd step is according to gained blank size shape in second step is carried out the blanking operation.
The 4th step was carried out the stretch forming first time with the blanking products obtained therefrom, and it is darker than required product stretching depth to obtain stretching depth, the stretch forming first time product that round-corner transition place angle is bigger than required product fillet.
The first time stretch forming product of the 5th step with the second step gained carries out shaping, obtains the tensioning member that tension shape meets the product size required precision.
The 6th step cut edge the 5th step gained tensioning member profile by the final products profile.
The 7th step was carried out the side side cut with the 6th step gained tensioning member profile by the final products profile, obtained the metallic article that profile meets the final products requirement.
The metallic article of the 8th step with the 7th step gained carries out the bending punching, accomplishes the final drawing of product.
Further, when product carried out feed supplement, the feed supplement width was thick greater than 3 material in the said first step.
Further, said the 4th the step in stretching depth the final products degree of depth 105%～120% between.
Further, said the 6th step cuts edge with the 7th step and side when cutting, and gained interface burr is not more than 0.5mm.
Above-mentioned the 7th step steering column for vehicles upper bracket bending punching die structure, it comprises part of the upper die and part of the lower die, the part of the upper die comprises upper bolster, upper padding plate, upper mould fixed plate; Baffle plate and stripper plate; Upper bolster, upper padding plate and upper mould fixed plate are fixed together, and are fixed on the upper bolster through the discharging screw after baffle plate and stripper plate are fixed together, and the part of the lower die comprises lower bolster, lower bolster and die shoe; Lower bolster, lower bolster and die shoe are fixed together successively; It is characterized in that: Bending punch is fixed on the stripper plate, and piercing punch is fixed on the upper mould fixed plate, and the bending die is fixed in the lower bolster.
Further, said upper bolster, upper padding plate and upper mould fixed plate are through the pin location.
Further, said lower bolster, lower bolster and die shoe are through the pin location.
Further, buoyant bullet nail is equipped with in shaping place of said bending die.
Beneficial effect
But make product become tensioning member through feed supplement; And material flows and rationally drawing crack can not occur when guarantee stretching through round-corner transition; Through cutting edge after the first shaping is that product size guarantees to meet the requirements; Realize that the drawing crack phenomenon does not take place product basically in the steering column for vehicles upper bracket stamping process, reduced the percent defective of product, practiced thrift production cost.
Description of drawings
Accompanying drawing 1 is the utility model steering column for vehicles upper bracket Sheet Metal Forming Technology flow chart.
Accompanying drawing 2 is the utility model steering column for vehicles upper bracket product schematic perspective views.
Accompanying drawing 3 is structural representations after the feed supplement of the utility model steering column for vehicles upper bracket.
Accompanying drawing 4 is steering column for vehicles upper bracket bending punching die structure charts in the utility model.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described further.
Shown in accompanying drawing 1,2 and 3, a kind of steering column for vehicles upper bracket Sheet Metal Forming Technology, it may further comprise the steps: at first calculate in feed supplement around product through mechanical strength, making product form a bottom is the open-topped stretching barrel-like structure of rough and uneven in surface shape.
Then carry out the shape of product size and produce and open, obtain the required blank size of product shaping according to the stretching barrel-like structure of gained in the first step.
The 3rd step is according to gained blank size shape in second step is carried out the blanking operation.
The 4th step was carried out the stretch forming first time with the blanking products obtained therefrom, and it is darker than required product stretching depth to obtain stretching depth, the stretch forming first time product that round-corner transition place angle is bigger than required product fillet.
The first time stretch forming product of the 5th step with the second step gained carries out shaping, obtains the tensioning member that tension shape meets the product size required precision.
The 6th step cut edge the 5th step gained tensioning member profile by the final products profile.
The 7th step was carried out the side side cut with the 6th step gained tensioning member profile by the final products profile, obtained the metallic article that profile meets the final products requirement.
The metallic article of the 8th step with the 7th step gained carries out the bending punching, accomplishes the final drawing of product.
Preferably, when product carried out feed supplement, the feed supplement width was thick greater than 3 material in the said first step.
Preferably, said the 4th the step in stretching depth the final products degree of depth 105%～120% between.
Preferably, said the 6th step cuts edge with the 7th step and side when cutting, and gained interface burr is not more than 0.5mm.
Shown in accompanying drawing 4; Above-mentioned the 7th step steering column for vehicles upper bracket bending punching die structure, it comprises part of the upper die and part of the lower die, the part of the upper die comprises upper bolster 1, upper padding plate 2, upper mould fixed plate 3; Baffle plate 4 and stripper plate 5; Upper bolster 1, upper padding plate 2 and upper mould fixed plate 3 are fixed together, and baffle plate 4 is fixed on the upper bolster 1 through the discharging screw after being fixed together with stripper plate 5, and the part of the lower die comprises lower bolster 6, lower bolster 7 and die shoe 8; Lower bolster 6, lower bolster 7 and die shoe 8 are fixed together successively; It is characterized in that: Bending punch 9 is fixed on the stripper plate 5, and piercing punch 10 is fixed on the upper mould fixed plate 3, and bending die 11 is fixed in the lower bolster 6.
Preferably, said upper bolster 1, upper padding plate 2 and upper mould fixed plate 3 are through the pin location.
Preferably, said lower bolster 6, lower bolster 7 and die shoe 8 are through the pin location.
Preferably, buoyant bullet nail 12 is equipped with in said bending die 11 shapings place.
The steering column for vehicles upper bracket product that the Sheet Metal Forming Technology that provides according to the utility model is accomplished, owing at first product has been carried out cloth, the part of required shaping is in the bottom of tensioning member that feed supplement becomes; Utilizing stretches accomplishes product shaping, and the method for stretched shaping once more can guarantee product not by drawing crack, and Bending punch is installed on the stripper plate during punching of bending simultaneously; Punching after the completion bending earlier; Guarantee the precision of punching, reduced the percent defective of product, practiced thrift production cost.
Claims (4)
1. steering column for vehicles upper bracket bending punching process mould structure; It comprises part of the upper die and part of the lower die; The part of the upper die comprises upper bolster (1), upper padding plate (2), upper mould fixed plate (3), baffle plate (4) and stripper plate (5), and upper bolster (1), upper padding plate (2) and upper mould fixed plate (3) are fixed together; After being fixed together, baffle plate (4) and stripper plate (5) be fixed on the upper bolster (1) through the discharging screw; The part of the lower die comprises lower bolster (6), lower bolster (7) and die shoe (8), and lower bolster (6), lower bolster (7) and die shoe (8) are fixed together successively, it is characterized in that: Bending punch (9) is fixed on the stripper plate (5); Piercing punch (10) is fixed on the upper mould fixed plate (3), and bending die (11) is fixed in the lower bolster (6).
2. steering column for vehicles upper bracket bending punching process mould structure as claimed in claim 1 is characterized in that: said upper bolster (1), upper padding plate (2) and upper mould fixed plate (3) are through the pin location.
3. steering column for vehicles upper bracket bending punching process mould structure as claimed in claim 1 is characterized in that: said lower bolster (6), lower bolster (7) and die shoe (8) are through the pin location.
4. steering column for vehicles upper bracket bending punching process mould structure as claimed in claim 1 is characterized in that: buoyant bullet nail (12) is equipped with in said bending die (11) shaping place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205499450U CN202427825U (en) | 2011-12-25 | 2011-12-25 | Bending and punching work procedure mould structure of upper bracket of automobile steering column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205499450U CN202427825U (en) | 2011-12-25 | 2011-12-25 | Bending and punching work procedure mould structure of upper bracket of automobile steering column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202427825U true CN202427825U (en) | 2012-09-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205499450U Expired - Fee Related CN202427825U (en) | 2011-12-25 | 2011-12-25 | Bending and punching work procedure mould structure of upper bracket of automobile steering column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202427825U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102513451A (en) * | 2011-12-25 | 2012-06-27 | 上海工程技术大学 | Upper support frame punching process of automobile steering column and bending punching work procedure mold structure thereof |
-
2011
- 2011-12-25 CN CN2011205499450U patent/CN202427825U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102513451A (en) * | 2011-12-25 | 2012-06-27 | 上海工程技术大学 | Upper support frame punching process of automobile steering column and bending punching work procedure mold structure thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120912 Termination date: 20121225 |